Question

On the first day of class, none of the 180 students had the flu. During the semester, 47 of the students got the flu. On the last day of class, only 34 students still had the flu. What was the point prevalence of the flu in the class on the first day of class?

Answer 1

The point prevalence of the flu in the class on the first day can be calculated by dividing the number of students who had the flu on the first day by the total number of students in the class.

Step-by-step explanation:

The point prevalence of the flu in the class on the first day can be calculated by dividing the number of students who had the flu on the first day by the total number of students in the class.

To find the number of students who had the flu on the first day, we subtract the number of students who got the flu during the semester and the number of students who still had the flu on the last day from the total number of students in the class.

So, the point prevalence of the flu on the first day of class is:

(180 - 47 - 34) / 180 = 99 / 180 = 0.55